///\todo upgrade

//////////////////////////////////////////////////////////////////////////////////
//                                                                              //
//  This file is part of the buola project (https://code.google.com/p/buola/).  //
//                                                                              //
//  Copyright(c) 2007-2012 Xavi Gratal                                          //
//  gratal AT gmail DOT com                                                     //
//                                                                              //
//  Buola is free software: you can redistribute it and/or modify               //
//  it under the terms of the GNU General Public License as published by        //
//  the Free Software Foundation, either version 3 of the License, or           //
//  (at your option) any later version.                                         //
//                                                                              //
//  Buola is distributed in the hope that it will be useful,                    //
//  but WITHOUT ANY WARRANTY; without even the implied warranty of              //
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               //
//  GNU General Public License for more details.                                //
//                                                                              //
//  You should have received a copy of the GNU General Public License           //
//  along with buola.  If not, see <http://www.gnu.org/licenses/>.              //
//                                                                              //
//////////////////////////////////////////////////////////////////////////////////

#ifndef _CIMAGEPLUGIN_H_
#define _CIMAGEPLUGIN_H_

#include <buola/image/ccodec.h>
#include <unordered_map>

namespace buola { namespace img {

typedef CCodec*(*TImageCodecLoader)();

class CImagePlugin
{
protected:
    virtual ~CImagePlugin() {}
public:
    virtual CCodec *GetInstance()=0;

    static CImagePlugin* GetPlugin(const std::string &pExtension);

    static CCodec* GetCodec(const std::string &pExtension)
    {
        CImagePlugin *lPlugin=GetPlugin(pExtension);

        if(!lPlugin) return nullptr;

        return lPlugin->GetInstance();
    }

protected:
    static void RegisterPlugin(const std::string&,CImagePlugin *pPlugin);

private:
    static std::unordered_map<std::string,CImagePlugin*> &PluginsMap();
};

/*namespace img*/ } /*namespace buola*/ }

#endif
